Catestatin is a small molecule active peptide obtained by enzymatic hydrolysis of casein as raw material. It has the functions of lowering blood pressure, lowering blood sugar, antithrombotic and improving sleep. Casein accounts for about 80% of the total protein content of cow milk, and is one of the important sources of high-quality protein in people's daily life. Catestatin contains many amino acids necessary for human growth and is also a good source of bioactive peptides.
